Should you use Internet Explorer today?

Microsoft is warning Internet Explorer users that it is working to fix a security problem with its Web browser.

Microsoft said the security risks apply to Internet Explorer 9 and earlier versions but will not affect Internet Explorer 10 on the Windows 8 preview release.

A security patch is in the works, but Microsoft didn't specify when it would be released.

The German government agency overseeing IT-safety first announced it had discovered the problem.

The agency warned hackers could use the security problem to attack computers running Windows XP or Windows 7 operating systems through the browser.

Microsoft said it has received "only a small number of targeted attacks" but is encouraging IE users to enable firewalls, apply the most recent software updates, and install antivirus software to help minimize the risk of attack.